251515408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{2917}}^1$

素因数の和:3259

約数の個数: 40

約数和(自身を含む): 517781592

約数和(自身を除く): 266266184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 317, 634, 1268, 2536, 2917, 5072, 5389, 5834, 10778, 11668, 21556, 23336, 43112, 46672, 49589, 86224, 99178, 198356, 396712, 793424, 924689, 1849378, 3698756, 7397512, 14795024, 15719713, 31439426, 62878852, 125757704, 251515408]

約数ペア:

[(1, 251515408), (2, 125757704), (4, 62878852), (8, 31439426), (16, 15719713), (17, 14795024), (34, 7397512), (68, 3698756), (136, 1849378), (272, 924689), (317, 793424), (634, 396712), (1268, 198356), (2536, 99178), (2917, 86224), (5072, 49589), (5389, 46672), (5834, 43112), (10778, 23336), (11668, 21556)]